Asher Quigley Series by Coleen Kwan

Five years ago, Asher Quigley broke his engagement to Minerva Lambkin, believing she was an accomplice in a scheme to steal his prototype for a wondrous device. Minerva swore she was innocent, though the thief--and Asher's mentor--was her own father. Now, sheer desperation has driven Minerva to Asher's door. Her father has been kidnapped by investors furious that he's never been able to make the machine work... moreFive years ago, Asher Quigley broke his engagement to Minerva Lambkin, believing she was an accomplice in a scheme to steal his prototype for a wondrous device. Minerva swore she was innocent, though the thief--and Asher's mentor--was her own father. Now, sheer desperation has driven Minerva to Asher's door. Her father has been kidnapped by investors furious that he's never been able to make the machine work. Only Asher, now a rich and famous inventor in his own right, can replicate the device. He's also become a hard, distant stranger far different from the young idealist she once loved. Despite their troubled past, Asher agrees to help Minerva. He still harbors his suspicions about her, but their reunion stirs emotions and desires they both thought were buried forever. Can they rebuild their fragile relationship in time to save her father and their future together? 29,000 words less

Ever since he awoke one day on the floor of his workshop with a brain-splitting headache, Asher Quigley has been haunted by fleeting visions of a beautiful woman everywhere he looks—a woman he's sure he knows, but can't recall. In spite of this he has finished his most wondrous invention yet, one that will literally make history: a time machine... moreEver since he awoke one day on the floor of his workshop with a brain-splitting headache, Asher Quigley has been haunted by fleeting visions of a beautiful woman everywhere he looks—a woman he's sure he knows, but can't recall. In spite of this he has finished his most wondrous invention yet, one that will literally make history: a time machine. But before he can complete his exacting calculations a bizarre accident causes the device to be activated, with him inside! He awakes to find himself in his lab, eight months in the past, and suddenly he remembers her… Asher knows that something in the near future causes Minerva Lambkin, the woman who turned down his marriage proposal, to be erased from existence. And he's sure it has something to do with his device. Alone in a familiar world where he doesn't belong, he'll have to find a way to destroy the time machine to save the woman he loves from extinction. Even if that means erasing his own future. less